Biochemical Systematics and Ecology最新文献

{"title":"Seasonal variation in chemical composition and bioactivity of Eucalyptus tereticornis leaf essential oil","authors":"Mamta Khaiper ,&nbsp;Pawan Kumar Poonia ,&nbsp;Sunil Kumar Dhanda ,&nbsp;Ravi Beniwal ,&nbsp;Preety Verma ,&nbsp;Mohammed Nasir","doi":"10.1016/j.bse.2025.104988","DOIUrl":"10.1016/j.bse.2025.104988","url":null,"abstract":"<div><div><em>Eucalyptus</em> is recognized worldwide for its medicinal properties. This study aimed to evaluate the chemical composition, antifungal and antioxidant properties of essential oils (EOs) from <em>Eucalyptus tereticornis</em> clone C-7 during different seasons: winter, summer and rainy. EOs were obtained from leaves via hydrodistillation and their chemical composition was analyzed using gas chromatography-mass spectrometry (GC-MS). The analysis identified 77, 57 and 82 compounds in the EOs obtained during winter, summer and rainy season, respectively. The key constituents identified included isopulegol, eucalyptol, <em>cis</em>-sabinene hydrate, camphene, 3-carene, bicyclogermacrene and (−)globulol. Summer season EOs showed the most potent antifungal activity against the four fungal species tested: Magnaporthe grisea, Rhizoctonia solani, Rhizoctonia bataticola and Fusarium oxysporum. Furthermore, the antiradical activity by DPPH test was highest in summer season EOs, followed by rainy season EOs. The seasonal variation in the chemical composition of <em>Eucalyptus tereticornis</em> EOs highlights that its potential use should consider its harvesting for medicinal and nutraceutical applications.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"121 ","pages":"Article 104988"},"PeriodicalIF":1.4,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143464985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Urease inhibitory compounds from the stem bark of Parinari excelsa sabine and their chemophenetic significance","authors":"Alain W. Ngouonpe ,&nbsp;Joseph Tchamgoue ,&nbsp;Alain Tadjong Tcho ,&nbsp;Bruno Dupon A. Ambamba ,&nbsp;Muhammad S. Ali ,&nbsp;Mehreen Lateef ,&nbsp;Simeon F. Kouam","doi":"10.1016/j.bse.2025.104989","DOIUrl":"10.1016/j.bse.2025.104989","url":null,"abstract":"<div><div>The chemical study of <em>n</em>-hexane and ethyl acetate soluble fractions from the stem bark of <em>Parinari excelsa</em> led to the isolation of eleven secondary metabolites, including lupane (<strong>1</strong>, <strong>6</strong>, <strong>9</strong> and <strong>10</strong>), taraxarane (<strong>7</strong> and <strong>11</strong>), and fridelane (<strong>5</strong>) triterpenes, a steroidal glycoside (<strong>4</strong>) and three phenolic compounds (<strong>2</strong>, <strong>3</strong> and <strong>8</strong>). Their structures were established by spectroscopic techniques (especially 1D and 2D NMR) and high-resolution mass spectrometry, as well as by comparison with literature data. Apart from 3-<em>O</em>-β-<span>d</span>-glucopyranosyl-stigmasta-5,11(12)-diene (<strong>4</strong>), all these compounds are reported for the first time in the genus <em>Parinari</em>. Compounds <strong>3</strong>, <strong>4</strong> and <strong>10</strong> were found to be urease inhibitors with IC₅₀ values ranging from 10.8 to 22.4, while compounds <strong>1</strong> and <strong>5−8</strong> showed moderate activity with IC₅₀ ranging from 49.4 to 62.9 μM. The chemophenetic relevance of the isolates is discussed.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"121 ","pages":"Article 104989"},"PeriodicalIF":1.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143445406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of the components and toxicity of the guttation of Alocasia cucullata (Lour.) Schott","authors":"Lue Hong ,&nbsp;Zerong Wu ,&nbsp;Jiahui Gong ,&nbsp;Jiahui Ma ,&nbsp;Shengzhi Liu","doi":"10.1016/j.bse.2025.104986","DOIUrl":"10.1016/j.bse.2025.104986","url":null,"abstract":"<div><div><em>Alocasia cucullata</em> (Lour.) Schott is a member of the Araceae family and is characterized by its unique leaf morphology and vibrant flowers; thus, it is a valuable addition to gardens and interior decor. However, <em>A. cucullata</em> may contain toxic compounds, including calcium oxalate crystals, lectins, and alkaloids, and their distribution within the plant tissues remains poorly understood. In this study, untargeted metabolomics was used to analyse the distribution of the bioactive compounds across the roots, stems, leaves, and guttation of <em>A. cucullata</em>. The toxic effects of these tissues on the MDA-MB-231 human breast cancer cell line were evaluated using the MTT assay. Microscopic techniques were utilized to examine the microstructure of the guttation and stems, and the focus was on the morphology of the calcium oxalate crystals. Liquid chromatography and ELISA kits were used to quantify the calcium oxalate and lectin contents in the various tissues. The results demonstrated that the active constituents, primarily fatty acids, phenylpropanoids, flavonoids, peptides, and alkaloids, were concentrated in the roots. Notably, guttation exhibited no toxicity and lacked both calcium oxalate crystals and significant lectin levels. This research enhances the understanding of the bioactive composition and safety profile of <em>A. cucullata</em> and provides a theoretical foundation for future scientific investigations and safe cultivation, with implications for both scientific and industrial applications.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"121 ","pages":"Article 104986"},"PeriodicalIF":1.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143455082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of chemical composition, nematicidal activity and acetylcholinesterase inhibition with in silico mechanistic insights of Hedychium flavescens essential oils and extracts from aerial parts and rhizomes","authors":"Himani Karakoti ,&nbsp;Pooja Bargali ,&nbsp;Ravendra Kumar ,&nbsp;Om Prakash ,&nbsp;Satya Kumar ,&nbsp;Stefania Garzoli ,&nbsp;Dharmendra Singh Rawat ,&nbsp;Jolanta Maslowiecka ,&nbsp;Valery A. Isidorov","doi":"10.1016/j.bse.2025.104987","DOIUrl":"10.1016/j.bse.2025.104987","url":null,"abstract":"<div><div><em>Hedychium flavescens</em> is recognized for its medicinal and pesticidal potential, yet its comprehensive phytochemical profile and bioactivity against nematodes remain underexplored. This study offers a comparative analysis of the chemical composition, nematicidal activity and acetylcholinesterase (AChE) inhibition of essential oils (EOs) and extracts from the plant's aerial and rhizome parts. GC-MS analysis identified significant chemical variation between the parts, with monoterpenes and sesquiterpenes predominating in both EOs. The major compounds were <em>α</em>-pinene, <em>β</em>-pinene, 1,8-cineole, linalool, and <em>E-</em>caryophyllene. On the other side, the extracts were dominated by fatty acids, sterols, and diterpenoids. Nematicidal activity was evaluated against <em>Meloidogyne incognita</em>, with rhizome EO showing higher potency (76% mortality at 1 μL/mL). Aerial and rhizome EOs exhibited significant nematode egg hatching inhibition, with 77.59–89.66% inhibition at 1000 μg/mL after 96 h of exposure. <em>In-vitro</em> AChE inhibition assays demonstrated potential neuroprotective properties in terms of IC₅₀ values with rhizome EO showing best inhibition activity (IC₅₀ = 181.03 μg/mL). Additionally, <em>in silico</em> docking studies provided insights into the mechanism of action of key compounds on AChE. The findings support <em>H. flavescens</em> as a natural alternative to synthetic nematicides and AChE inhibitors. Further studies are needed to explore its broader applications.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"121 ","pages":"Article 104987"},"PeriodicalIF":1.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143455070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chemical constituents from the fruits of Forsythia suspensa and their chemotaxonomic significance","authors":"Sui Liu ,&nbsp;Xiang-Xin Niu ,&nbsp;Jun-Lei He ,&nbsp;Chang-Hua Yue ,&nbsp;Zi-Xiao Jiang ,&nbsp;Zhang-Xin Yu ,&nbsp;Yang-Yang Liu","doi":"10.1016/j.bse.2025.104984","DOIUrl":"10.1016/j.bse.2025.104984","url":null,"abstract":"<div><div>A new labdane diterpenoid (4<em>R</em>,5<em>R</em>,7<em>R</em>,9<em>R</em>,10<em>R</em>)-methyl-7-hydroxylabda-8(17),13(<em>E</em>)-diene-18-carboxy-15-oate (<strong>1</strong>), along with three known analogues (<strong>2</strong>–<strong>4</strong>), a cyclohexenone derivative (<strong>5</strong>), three phenolic acids (<strong>6</strong>–<strong>8</strong>) and four lignan compounds (<strong>9</strong>–<strong>12</strong>), were isolated from the fruits of <em>Forsythia suspensa</em>. The structures were elucidated using comprehensive spectroscopic methods, including HRESIMS, 1D and 2D NMR, the absolute configuration of <strong>1</strong> was established based on quantum-chemical electronic circular dichroism (ECD) calculations. The compounds <strong>1</strong>–<strong>5</strong>, <strong>9</strong>, and <strong>11</strong> were evaluated for their inhibitory effects on nitric oxide (NO) production in lipopolysaccharide (LPS)-induced mouse monocyte macrophage (RAW 264.7) cells, as well as for their anti-cervical cancer activity. However, none of these compounds exhibited significant activity at a concentration of 50 μM. Notably, compounds <strong>1, 5</strong>, <strong>9,</strong> and <strong>11</strong> were reported here for the first time from the genus <em>Forsythia</em>, and this is also the first discovery of a cyclohexenone derivative within this genus. These findings contribute to the growing understanding of the chemical diversity and chemotaxonomic significance of <em>F. suspensa</em>.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104984"},"PeriodicalIF":1.4,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143437471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phytochemical and chemometric investigation of morphotypes of Calophyllum brasiliense Cambess. (Calophyllaceae) in the mountainous region of Espírito Santo, Brazil","authors":"Lucas Evangelista dos Santos ,&nbsp;Maria Gabriela Pissinati Trindade ,&nbsp;Vanessa Silva dos Santos ,&nbsp;Isadora Maria Coelho Vieira ,&nbsp;Ricardo Machado Kuster ,&nbsp;Maria do Carmo Pimentel Batitucci","doi":"10.1016/j.bse.2025.104982","DOIUrl":"10.1016/j.bse.2025.104982","url":null,"abstract":"<div><div><em>Calophyllum brasiliense</em> Cambess. is a highly diverse species in the tropical forests of the American continent, recognized by the traditional community for its phytotherapeutic potential. This diversification is associated with its high ecological plasticity, giving it the ability to synthesize various secondary metabolites such as phenolic compounds, coumarins, chromones, xanthones, terpenes, and flavonoids, all with multiple biological properties. Based on morphological, genetic, and chemical evidences indicating the existence of chemotypes within the species, chemometric and spectroscopic techniques were employed to investigate the similarity or dissimilarity of different morphotypes in a population of <em>C. brasiliense</em> located in the mountainous region of the state of Espírito Santo, Brazil. The ethyl acetate: dichloromethane solution (1:1, v/v) used for secondaries metabolites extraction from.</div><div>C. b<em>rasiliense</em> leaves proved effective in obtaining extracts rich in polyphenols. The results of multivariate analyses and infrared spectroscopy indicated similar metabolic profiles among morphotypes, highlighting the presence of polyphenolic compounds, with emphasis on the <em>Jacareuba</em> and <em>Diamond</em> morphotypes. Electrospray ionization ESI (−/+) FT-ICR analysis enabled the identification of 20 chemical substances, with notable mention of the chromone 12-acetyl apetalic acid, mammea-type coumarins (B/BB and A/BB), and the pyranocoumarin inophyllum C. Regarding the quantification of gallic acid, both morphotypes showed low levels. Based on the results, we suggest the possibility of different chemotypes within the population, emphasizing the need for further chemometric analyses, molecular studies, and biological activity assessments for a more accurate understanding.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104982"},"PeriodicalIF":1.4,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143437346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biomarker identification in warehouse beetle (Trogoderma variabile) larvae: Tracking metabolic shifts across grain hosts","authors":"Thamer Al-Shuwaili ,&nbsp;Khalid Mohammed ,&nbsp;Pushpendra Koli ,&nbsp;Sonu Kumar Mahawer ,&nbsp;Anup Kumar","doi":"10.1016/j.bse.2025.104983","DOIUrl":"10.1016/j.bse.2025.104983","url":null,"abstract":"<div><div>This study applied direct immersed solid phase microextraxtion (DI-SPME) coupled with gas chromatography mass spectrometry (GCMS) to study the metabolite profile of <em>Trogoderma variabile</em> using various host grains viz. barley, canola, maize, oats, rice and wheat. The aim was to explore the metabolite variations and how these variations could be influenced by different host grains. Additionally, the hydrocarbons profiling from larvae as a chemical marker for identifying morphologically similar insect species such as <em>T. granarium</em>. Various samples of <em>T. variabile</em> larave, reared on six different host grains. Acetonitile was used for sample extraction and three phase SPME fiber directly immersed for analytes adsorption. Compounds were separated and identified using GC-MS. Significant effects were observed on the insect chemicals identified from <em>T. variabile</em> adults, such as fatty acid and hydrocarbons. The results also showed that the host grains significantly influenced the identified compounds at different larval stages. The major compounds viz. n-hexadecanoic acid, heptacosane and 13-methylheptacosane identified during third instar larvae stage across all host grains. However, there was high variability in chemical compounds observed at the sixth larval stage.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104983"},"PeriodicalIF":1.4,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143419569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chemical investigation of stem and fruit lipophilic extracts from Juncus maritimus","authors":"Josep Basas-Jaumandreu,&nbsp;F. Xavier C. de las Heras","doi":"10.1016/j.bse.2025.104973","DOIUrl":"10.1016/j.bse.2025.104973","url":null,"abstract":"<div><div>The aim of the present study was to profile the lipophilic extracts of <em>Juncus maritimus</em>, one of the phytochemically less studied species of the <em>Juncus</em> genus, by comparing the aerial parts (stems and fruits) to recognize whether the compounds of interest are similarly distributed between the two organs. Unusual Δ⁷-sterols and ergosterols were present in <em>Juncus maritimus</em>. <em>n</em>-9- and <em>n</em>-7-alkenes were also present in large amounts in the fruits but not detected in the stems. Fatty amides, methyl ketones, <em>n</em>-alkan-2-ols and saturated and unsaturated 1- and 2-monoglycerides are also described. Other more common series of aliphatic compounds such as <em>n</em>-alkanes, <em>n</em>-alkan-1-ols, <em>n</em>-alkanoic acids, <em>n</em>-alkenoic acids and <em>n</em>-alkan-1,3-diols were also semi-quantified. A distinctive profile of phenolic compounds, lignans and primary metabolites was also studied. Trimethylsyl derivatization allowed lignans and phenanthrenoids to be detected. The presence of phenanthrenoids is rarely described in nature and these compounds have mostly been identified in the plant family Juncaceae.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104973"},"PeriodicalIF":1.4,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143386338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Botany, phytochemistry, bioactivity, and quality analysis of Sauropus spatulifolius Beille: A review","authors":"Huiyan Zhou,&nbsp;Bingjie Li","doi":"10.1016/j.bse.2025.104981","DOIUrl":"10.1016/j.bse.2025.104981","url":null,"abstract":"<div><div><em>Sauropus spatulifolius</em> Beille is a common medicinal plant, which belongs to the Euphorbiaceae family. It has the effects of moistening lungs, relieving cough, relieving constipation, and moistening intestines. <em>S</em>. <em>spatulifolius</em> is a medicinal plant with ethnic characteristics, and its mature leaves are used as medicinal parts. Phytochemical researches revealed that <em>S. spatulifolius</em> contained terpenoids (<strong>1</strong>–<strong>18</strong>), carbohydrates (<strong>19</strong>–<strong>31</strong>), flavonoids (<strong>32</strong>–<strong>39</strong>), alkaloids (<strong>40</strong>–<strong>51</strong>), phenols (<strong>52</strong>–<strong>59</strong>), steroids (<strong>60</strong>–<strong>64</strong>), chain alkanes (<strong>65</strong>–<strong>71</strong>), other compounds (<strong>72</strong>–<strong>76</strong>). Previous studies displayed <em>S. spatulifolius</em> possessed multiple bioactivities including anti-inflammatory, anti-tussive, anti-oxidant, anti-microbial, anti-allergic, anti-cancer, and anti-acute lung injury activities. Meanwhile, analytical techniques for the qualitative-quantitative study of constituents from <em>S. spatulifolius</em> was summarized and analyzed in this article. This review comprehensively summarized the contents of botany, phytochemistry, bioactivity, quality analysis of <em>S</em>. <em>spatulifolius</em>. It will not only provide an important clue for further studying <em>S</em>. <em>spatulifolius</em>, but also supply an important theoretical basis and valuable reference for in-depth researches and exploitations of this plant in the future.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104981"},"PeriodicalIF":1.4,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143386339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chemotaxonomy according to leaf terpenes of eight cypress species growing in the Czech Republic in the light of modern phylogenetic classification","authors":"Alexandra Malhocká,&nbsp;Martina Švábová,&nbsp;Tomáš Suchý","doi":"10.1016/j.bse.2025.104980","DOIUrl":"10.1016/j.bse.2025.104980","url":null,"abstract":"<div><div>There have been many attempts to create a systematic arrangement of gymnosperms confirming the phylogenetic relationships among extant plants. Chemical data obtained by analysing leaf terpenes by gas chromatography have been used to study the chemotaxonomic characters of cypress species in an attempt to support modern phylogenetic classification. While the dominant terpenes proved to be reliable distinguishing features at the individual level of species, the relative proportions of individual terpene fractions were a significant feature distinguishing individual cypress genera. The <em>Juniperus</em> and <em>Sabina</em> genera were characterized by the highest content of monoterpenes (<em>Sabina virginiana</em> up to 95%). Genus <em>Juniperus</em> also contained higher amounts of sesquiterpenes (e.g. hedycaryol) and diterpenes (e.g. totarol), but genus <em>Sabina</em> showed a negligible content of these terpene fractions. Genus <em>Xanthocyparis</em> showed the highest content of diterpenes (up to 59%) of all species studied here, but a lower content of monoterpenes and sesquiterpenes. Genus <em>Chamaecyparis</em> was characterized by balanced amounts of mono- and sesquiterpenes and also by a higher content of diterpenes (e.g. beyerene, totarol). Although genus <em>Taxodium</em> is from the Taxodioideae subfamily, it showed a terpene fractions content very similar to that of genus <em>Juniperus</em> from the subfamily Cupressoideae. Chemical data proved to be a reliable biomarker corresponding to the phylogenetic classification of conifers. No significant effect of seasonality on leaf terpenes production was proved in a study over a period of 6 years, with exception of the <em>Sabina pfitzeriana</em> and <em>Chamaecyparis lawsoniana</em> species. Slight differences were revealed among individual seasons.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104980"},"PeriodicalIF":1.4,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143350396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}